Install Quick-Release Coupler Lock

What happens here

The demonstrator then introduces the 'Pinultimate Quick-Release Coupler Lock'. He shows a trailer coupler and demonstrates how to insert the long pin of the coupler lock through the latch mechanism of the coupler. Once inserted, the red locking end is attached to secure the coupler, preventing it from being hitched by an unauthorized vehicle. The product is available in locking or non-locking versions.

Goal: Secure a trailer coupler with a quick-release locking pin.